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Pre-Bid Conference

Geothermal Heat Pump Retrofit at 404 Aviation Boulevard, Santa Rosa, CA

November 30, 2009

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Agenda

• General Project Information

• Timeline from Bid to Site

• Scope of Work

• Owner Items of Concern

• Sequence of Work and Constraints

• Site Visit Sequence

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General Project Information

• 458 Days to Substantial Completion

• 486 Days to Final Completion

• Engineer’s Estimate: $2.3 to $3.1 million

• Contractor Experience Requirements (00200), explicit

mechanical experience for prime, explicit experience

for ground loop and electrical subs.

• Bid Submission “A”: 9AM December 10, 2009

• Bid Opening: 10AM December 10, 2010

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General Project Information (cont’d)

• Questions Must Be Submitted in Writing

–Questions due ten days prior to bid due date

–May extend question deadline to December 2, 2009

–If necessary, Owner will issue addenda

• Substitutions (Section 01600) only considered during

bid period.

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Timeline From Bid to Site

• Contractors submit Bids (valid for 90 days)

• Owner’s Board issues Notice of Award

• Owner issues Notice to Proceed (Commence Contract

Time)

• Contractor starts on Site upon meeting NTP demands.

–Work on-site cannot occur until critical submittals are

submitted and approved

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General Scope of Work

• Provide Geothermal Heat Pump System

–120 vertical wells 400 feet deep

–Condenser water circulation system

–Demolish existing HVAC system

– 47 geothermal heat pumps

–Building Management System

–Start, Adjust, Test, and Balance

• Submission of Documentation

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Items of Concern (to us)

• Public Building: Accessibility and visibility

• Building Occupied: Work Days and Hours (01100-1.8)

–Outdoors: M-F 6am-7pm

–Indoors: Thurs 6pm to Mon 5am

• <5,000 sq ft before 6pm Friday

• Contractual Provisions:

–All communication must be in writing, follow front end

protocol, and follow front end timelines.

• Submittals electronic

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Sequencing and Constraints

• Housekeeping (01100-1.7.C)

–Maintain office cleanliness to preconstruction levels

by 5 a.m. Cover office items during indoor work.

• Detailed Work Sequence (01100-1.7.C)

–Condenser water loop and electrical complete

–Replace existing Bryant/Trane Units with new HPs

–Replace Carrier Unit AC1 with new HPs

–Replace Carrier Unit AC2 with new HPs

–Temporary operation with no outside air, with limits

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Tour Sequence

• West Parking Lot

• East Parking Lot

• MCC Room

• Roof

• Occupied Areas

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West Parking Lot

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East Parking Lot

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MCC Room

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Roof

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Occupied Areas